At One Place

Watts to BTU per hour

1 watt in BTU per hour
1 W = 3.412142 BTU/h
BTU/h = W × 3.412141633

To convert watts to BTU per hour, multiply by 3.412141633. The table below gives the values people look up most often, and the converter works for any number.

Watts to BTU per hour table

Common watt values converted to BTU per hour.
Watts BTU per hour
1 W 3.412142
2 W 6.824283
3 W 10.23642
4 W 13.64857
5 W 17.06071
10 W 34.12142
15 W 51.18212
20 W 68.24283
25 W 85.30354
30 W 102.3642
40 W 136.4857
50 W 170.6071
75 W 255.9106
100 W 341.2142
250 W 853.0354
500 W 1,706.0708
1,000 W 3,412.1416

How the conversion works

The relationship is BTU/h = W × 3.412141633. Both units measure power, so the conversion is a fixed factor that never changes.

Common questions

How many BTU per hour are in one watt?
One watt equals 3.412142 BTU per hour. BTU/h = W × 3.412141633.
How do you convert watts to BTU per hour?
Use BTU/h = W × 3.412141633. So 10 W is 34.12142 BTU/h.
How many watts are in one BTU per hour?
One BTU per hour equals 0.29307 watts, which is the reverse of the conversion above.

Related pages

Sources

  1. Guide for the Use of the International System of Units (SP 811) — NIST (Public domain (US Government))
  2. The International System of Units (SI Brochure) — Bureau International des Poids et Mesures
  3. Calculated on this page — At One Place

How these figures are compiled and checked